<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        function Father(uname, age, gender) {
       
       this.uname = uname

       this.age = age

       this.gender = gender
     }

     Father.prototype.money = function () {
       console.log('赚了一个小目标')
     }


     
     function Son(uname,age,gender) {
        //console.log(this);
        Father.call(this,uname,age,gender)

     }

     Son.prototype = new Father()
     Son.prototype.constructor = Son
     const son = new Son('小明',20,'男')
     console.log(son);

     son.money()
    </script>
</body>
</html>